计算块 meaning in English
computing block
Examples
- In the pretreatment , we mend image by gray - level and direction - raph filtering . the program we proposed , without binarization and thinning , has high rapidity and saves a lot of calculation time
预处理时，先对采集的指纹进行灰度滤波，然后再通过计算块方向图对指纹进行方向图滤波，从而实现灰度修补。